Both training methods made athletes jump higher and turn faster, but didn’t make them run straight-line sprints any faster.

Pro

Against

Evidence from Studies

Supporting (1)

Community contributions welcome

The effects of unilateral and bilateral eccentric overload training on hypertrophy, muscle power and COD performance, and its determinants, in team sport players

Randomized Controlled Trial

Human

2018

This study found that doing special strength exercises for six weeks made athletes jump higher and turn faster, but didn’t make them run the 10-meter sprint any quicker — which is exactly what the claim says.

Contradicting (0)

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No contradicting evidence found

Source Study

The effects of unilateral and bilateral eccentric overload training on hypertrophy, muscle power and COD performance, and its determinants, in team sport players

Score: 46

DOI: 10.1371/journal.pone.0193841

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Single-leg lunges helped athletes slow down better with their weaker leg after turning, more than double-leg squats did.

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Even though the players got stronger, their ability to jump higher or more powerfully didn’t improve after five weeks of leg press training — meaning strength on the machine doesn’t automatically make you jump better.

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Single-leg lunges helped both legs get better at turning quickly, but double-leg squats only helped the stronger leg.

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Doing squats with both legs on a special machine for six weeks made the outer thigh and outer calf muscles grow more than doing single-leg lunges.

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Even though the players got stronger from doing leg presses, they didn’t run any faster after five weeks — meaning just getting stronger on a machine doesn’t automatically make you sprint better.

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